CN112580119B - Method for compiling geological map of in-situ leaching sandstone type uranium ore series - Google Patents
Method for compiling geological map of in-situ leaching sandstone type uranium ore series Download PDFInfo
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- CN112580119B CN112580119B CN202011307916.3A CN202011307916A CN112580119B CN 112580119 B CN112580119 B CN 112580119B CN 202011307916 A CN202011307916 A CN 202011307916A CN 112580119 B CN112580119 B CN 112580119B
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Abstract
The invention particularly relates to a compiling method of geological maps of in-situ leaching sandstone type uranium deposit series, which comprises the following steps: 1. determining a bottom map of a compilation horizon selection series; 2. sorting and counting the drilling ginseng elements; 3. drawing and connecting the required data; 4. modifying and perfecting a main map and a secondary map; 5. writing a series of drawing specifications. The method for compiling geological maps of the in-situ leaching sandstone type uranium ore series has the advantages of system integrity, advancement and applicability, all maps are mutually supported, multi-dimensional comprehensive and instant updating is facilitated, the understanding is summarized and improved, and ore finding breakthrough is promoted.
Description
Technical Field
The invention belongs to the technical field of uranium ore geological exploration, and particularly relates to a compilation method of geological maps of in-situ leaching sandstone type uranium ore series.
Background
The compilation (including self-making, synthesis, repair and compilation and the like) of the geological map of the ground-leaching sandstone type uranium ore series runs through the whole process of ore exploration, is full of all geological information, aggregates all geological cognition, is an important expression form of various geological achievements and cognition, and the quality of the geological map is an important mark for measuring the geological working level. Therefore, various mining varieties pay attention to the compiling work of various series geological maps all the time, and corresponding compiling methods are summarized and established to different degrees. Wherein: in the aspect of the in-situ sandstone-type uranium ores, china successively develops the nuclear industry standard of geological mapping compilation regulations of in-situ sandstone-type uranium ores (EJ/T2003.1-14) in 2003, and well standardizes the necessary conventional mapping compilation requirements. However, since the theory of water-induced uranium ores is gradually applied in China in 1990 to search for the geosynthetic sandstone type uranium ores, although uranium ore beds of more than ten thousand tons have been successively found in 7 northern nascent deposition basins such as Ili, tuhao, ordos, erlian, bangyoubi, songliao and Quaszel, the method for compiling geological map of geosynthetic sandstone type uranium ores is relatively sporadic, and a set of systematic and complete method for compiling geological map of geosynthetic sandstone type uranium ores is not formed.
Disclosure of Invention
Therefore, a systematic and complete method for compiling the in-situ leaching sandstone type uranium ore geological map is needed to be provided for solving the problem that the existing in-situ leaching sandstone type uranium ore geological map compiling method is relatively scattered.
In order to achieve the above purpose, the invention provides the following technical scheme:
a compiling method of a geological map of a ground leaching sandstone type uranium deposit series comprises the following steps: 1. determining a bottom map of a compilation horizon selection series; 2. arranging and counting drilling parameters; 3. drawing and connecting the required data; 4. modifying and perfecting a main map and a side map; 5. writing a series of drawing specifications.
Further, the step 1 specifically comprises the following steps of locking the range of the compilation area and determining the compilation horizon according to the geological working degree of the compilation area and the data collection mastering condition; selecting a series chart compiling precision and a scale which are coupled with the working phase of the compiling area and matched with the data of the compiling area, and determining the compiling purpose, content and requirement of the series chart; and selecting a series chart base diagram, listing a series chart list and defining the compilation requirement of the series chart base diagram.
Furthermore, the weaving area range comprises a mapping area inflection point coordinate, a mapping area, a map amplitude extreme value coordinate and a map amplitude area; the weaving horizon comprises a target layer, a sand body and a mineral-containing layer; the working stage of the weaving area comprises drawing prediction, belt drilling evaluation and exploration; the editing area data comprises drilling data and geophysical data.
Further, the compilation requirements of the series of base diagrams comprise: marking known uranium mineralization abnormal information of an editing layer on a series of chart base charts, removing known uranium mineralization abnormal information of a non-editing layer, and marking important geographic elements and place names to be mentioned by text narration; the important geographical elements include the latest railway roads, symbolic rivers and lakes, and cities, counties, towns.
Further, the step 2 specifically comprises the following steps of unifying the reserved bit number of the drilling parameters, stratifying each drilling hole one by one according to the determined horizon division criterion, forming an independent drilling hole comprehensive histogram for each drilling hole, and binding into a book; correcting and adjusting the division of the layer positions to make the division more practical by comparing the conditions of the drilling histogram mark layers, depositing rhythm cycle change characteristics, logging curve fluctuation combination characteristics and the connection effect of the positions of the exploration line profile layers; and calculating statistical drilling parameters, summarizing the list, and forming a base map-drilling parameter table-drilling bar chart book.
Further, the drilling parameters comprise top and bottom boundary line elevation of the drilling preparation layer, layer thickness, sand body thickness, sandstone layer number, sand content, alteration thickness, erosion rate and gamma irradiation rate.
Marking required data at corresponding positions of a series of base diagrams, and marking the required data by using corresponding legends and characters; when a series of drawings are compiled, drilling parameters are extracted and marked on a corresponding base map of the series of drawings, and then the drilling parameters are combined with data capable of reflecting characteristics of the compiled layers to determine corresponding contour line outlines and interval numerical values, clearly measure or estimate the position and the form of an important geological boundary line, mark structural properties and production states influencing the compiled layers, and reasonably and manually draw a connecting diagram by using standard symbols.
Further, the required data are marked on the corresponding positions of the series of base drawings, and corresponding legends and characters are used for marking the data, and the data comprise: the drilling parameters are marked on the drilling positions of the series of base drawings and are indicated by corresponding legends and characters.
Further, the data capable of reflecting characteristics of the preparation layer comprises data of earthquake, electrical law and gravity, and the standard symbols comprise solid and dotted lines, patterns and colors.
Further, the step 4 specifically comprises the following steps of completing continuous drawing of a main picture circle according to the existing data, and repeatedly deducing evidences for the continuous drawing of the main picture circle according to the sedimentology principle, the geological working status of the compilation area and the actual situation of the mastered data to ensure that the continuous drawing of the main picture circle conforms to the natural form and the conventional logic; the sub-map is attached to the main map at a suitable position of the sub-map.
Further, drawing repeated deduction and deduction evidences on the main graph so as to enable the main graph to conform to the natural form and the conventional logic comprises the following steps: segments lacking borehole data and paradoxical are reasonably inferred to conform to natural morphology and conventional logic.
Further, the sub-maps include synthetic columns, map-cut schematic sections, depositional pattern maps, predicted elements maps/tables, and mineralogical pattern maps.
And further, the step 5 specifically comprises the following steps of performing comprehensive system analysis aiming at the compiling purpose after the compiling of all the pictures of the series of pictures is finished, summarizing and summarizing the characteristics of the compiling picture layer, compiling a text description corresponding to the pictures and texts, and making a simple and complete text description and a healthy and complete series of picture database.
The invention has the beneficial technical effects that:
the invention provides a method for compiling geological map pieces of an in-situ sandstone-type uranium ore series, which is characterized in that on the basis of following the sedimentology principle, an aqueous uranium ore theory is taken as a guide, underground water fluid of uranium ore is taken as a main line, the characteristics of the in-situ sandstone-type uranium ore are highlighted, an after-generated oxidation change action superposed in a sand body of a target layer is tightly grasped, a scale with proper precision is selected according to different geological working stages, degrees, ranges and the like of the uranium ore, the target layer, the sand body and the ore-containing layer are progressively compiled, and various ore-finding layer series map pieces with unique characteristics are compiled in real time.
Drawings
FIG. 1 is a flow chart of the sequence diagram;
FIG. 2 is a schematic diagram of the purpose of the series of drawings;
FIG. 3 is a schematic diagram of a list of series diagrams;
FIG. 4 is a drill hole parameter statistics profile format diagram;
FIG. 5 is a drill hole histogram format;
FIG. 6 is a schematic diagram of the main contents of the series of diagrams.
Detailed Description
Referring to fig. 1, the invention provides a compiling method of a geological map of a uranium mine series of in-situ leaching sandstone type, which comprises the following steps: 1. determining a bottom map of a compilation horizon selection series; 2. arranging and counting drilling parameters; 3. drawing and connecting the required data; 4. modifying and perfecting a main map and a side map; 5. writing a series of drawing specifications.
The step 1 specifically comprises the following steps of locking the range of the compiling area (inflection point coordinate, area of the compiling area, extreme value coordinate of the map and area of the map) according to the geological working degree of the compiling area and the data collection and control condition, and determining the compiling horizon (a target layer, a sand body and a mineral-bearing layer); selecting a series chart compiling precision and a scale which are coupled with the working stage (compiling chart prediction, belt drilling evaluation and exploration) of the compiling area and matched with the compiling area data (drilling data and geophysical exploration data) to define the compiling purpose, content and requirement of the series chart (see figure 2); the series of charts are selected, the list of the series of charts is listed (see fig. 3), and the chart making requirements of the series of charts are clarified.
The compilation requirements of the series of base maps comprise: the uranium mineralization abnormal information known in a compiling layer is accurately and clearly marked out by a series of base maps, the uranium mineralization abnormal information known in a non-compiling layer is eliminated, and important geographic elements (latest railway roads, landmark rivers, lakes, cities, counties, towns) and place names to be mentioned in text description are marked out.
Opening a drilling database, unifying drilling parameter retention digits, stratifying each drilling hole one by one according to a determined organizational position division criterion, forming an independent drilling hole comprehensive histogram for each drilling hole and binding into a book so as to be called at any time; through the comparison condition of the drilling histogram mark layers, the deposition rhythm cycle change characteristics, the logging curve fluctuation combination characteristics and the exploration line profile layer position connection effect, the adjustment layer position division is corrected to make the adjustment layer position division more practical so as to ensure the drilling parameter statistical quality; and calculating drilling parameters such as the top and bottom boundary line elevation, the layer thickness, the sand body thickness, the sandstone layer number, the sand content, the alteration thickness, the erosion rate, the gamma irradiation rate and the like of the statistical drilling compiling layer, and summarizing the drilling parameters into a list (see figure 4) to form a bottom graph-drilling parameter list-drilling columnar atlas (i.e. an atlas) (see figure 5) so as to form an important data source for compiling the series of charts.
Marking the drilling parameters on the drilling positions of the base map of the series of maps, and marking the drilling positions by using corresponding legends and characters, wherein the map is an actual material map of the series of maps, and other available data also needs to be mapped; when a series of drawings are compiled, drilling parameters are extracted and marked on a base map of the corresponding series of drawings, then the drilling parameters are combined with data capable of reflecting characteristics (earthquake, electric method and gravity) of the compiled layers, corresponding contour line outlines and interval numerical values are determined, positions and forms of important geological boundary lines are determined or inferred through actual measurement, structural properties and production states affecting the compiled layers are marked, and standard symbols such as real dotted lines, patterns, colors and the like are reasonably and manually drawn to form a connecting diagram so as to accurately represent various geological information (see figure 6), and distortion, deviation and omission caused by uneven drilling distribution and inconsistent working degree are avoided to the maximum extent.
Finishing continuous drawing of a main picture circle according to the existing data, repeatedly deducing evidences for the continuous drawing of the main picture circle according to the sedimentology principle, the geological working status of the compilation area and the actual situation of the mastered data, so that the continuous drawing of the main picture circle conforms to the natural form and the conventional logic, and further carefully and reasonably deducing the sections which lack drilling data and are in contradiction; meanwhile, in order to reflect the plane content of the main graph in the longitudinal direction, sub graphs such as a comprehensive column graph, a graph-cut schematic section, a stratum mode graph, a prediction element graph, a mining mode graph and the like are attached to the left side or the lower side of the main graph at a proper sub graph position, so that the aims of enhancing the information content of the graph and improving the integrity of the graph are fulfilled.
And step 5, after the drawing of each drawing of the series drawing is finished, carrying out comprehensive system analysis aiming at the drawing purpose, summarizing and summarizing drawing layer characteristics, compiling text description which is corresponding to the drawing and is simple, clear and complete, and completing a series drawing database so as to facilitate the working progress of the series drawing in any place, calling, updating and amending.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (8)
1. A compiling method of geological maps of a ground-leaching sandstone-type uranium deposit series is characterized by comprising the following steps of 1: determining a bottom map of a compilation horizon selection series; step 2: arranging and counting drilling parameters; and 3, step 3: drawing and connecting the required data; and 4, step 4: modifying and perfecting a main map and a side map; and 5: writing a series diagram specification;
unifying the drill hole parameter reserved bits, re-layering each drill hole one by one according to the determined organizational layer division criterion, forming an independent drill hole comprehensive histogram for each drill hole, and binding into a book; correcting and adjusting the division of the layer positions to make the division more practical by comparing the conditions of the drilling histogram mark layers, depositing rhythm cycle change characteristics, logging curve fluctuation combination characteristics and the connection effect of the positions of the exploration line profile layers; calculating statistical drilling parameters, summarizing the drilling parameters into a list to form a base map-drilling parameter table-drilling columnar atlas;
marking the required data on the corresponding position of the base map of the series of maps and using corresponding legends and characters for indication; when a series of drawings are compiled, drilling parameters are extracted and marked on a corresponding base map of the series of drawings, and then the drilling parameters are combined with data capable of reflecting characteristics of the compiled layers to determine corresponding contour line outlines and interval numerical values, clearly measure or estimate the position and the form of an important geological boundary line, mark structural properties and production states influencing the compiled layers, and reasonably and manually draw a connecting diagram by using standard symbols.
2. The compiling method according to claim 1, wherein the step 1 comprises the steps of locking a range of a compiling area and determining a compiling horizon according to geological working degree of the compiling area and data collection grasping conditions; selecting a series chart compiling precision and a scale which are coupled with the working phase of the compiling area and matched with the data of the compiling area, and determining the compiling purpose, content and requirement of the series chart; and selecting a series chart base, listing a series chart list and defining the compilation requirement of the series chart base.
3. The compilation method of claim 2, wherein the compilation horizon comprises a destination layer, a sand body and a mineral bearing layer, and the compilation of the series of base maps requires: the sequence of base maps need to mark known uranium mineralization abnormal information of an editing layer, remove known uranium mineralization abnormal information of a non-editing layer, and mark important geographic elements and place names to be mentioned in text description.
4. The method of programming of claim 1, wherein the drilling parameters comprise drilling programming layer top and bottom boundary elevation, layer thickness, sand body thickness, number of sandstone layers, sand content, erosion thickness, erosion rate, and gamma-irradiation rate.
5. The programming method of claim 1, wherein the desired data comprises drilling parameters.
6. The compiling method of claim 1, wherein the step 4 comprises the steps of continuously drawing the main image circle according to the existing data, and repeatedly drawing and knocking the main image circle according to the sedimentology principle, the geological working status of the compiling area and the actual situation of the mastered data to make the main image circle conform to the natural form and the conventional logic; the sub-map is attached to the main map at a suitable position of the sub-map.
7. The compilation method of claim 6 wherein the secondary graphs include synthetic columns, map-cut schematic sections, depositional patterns, predicted element maps/tables, and mineralogical patterns.
8. The compiling method according to claim 1, wherein the step 5 comprises the steps of performing a comprehensive system analysis for the compiling purpose after the compiling of each drawing of the series of drawings is completed, summarizing and summarizing characteristics of the drawing layers, compiling a text description which is corresponding to the drawings and is simple and comprehensive, and building a database of the series of drawings.
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